Compare Elements

Compare two chemical elements side by side across 19 atomic and physical properties.

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Element comparison
Property Nh Nihonium B Boron
Atomic Number 113 higher 5 higher
Symbol Nh different B different
Name Nihonium different Boron different
Atomic Mass 286.182 higher 10.81 higher
Category Post-transition Metals different Metalloids different
Period 7 higher 2 higher
Group 13 same value 13 same value
Block p-Block same value p-Block same value
Standard State Expected to be a solid different Solid different
Electronegativity — no data 2.04 no data
Atomic Radius — no data 192 no data
Ionization Energy — no data 8.298 no data
Electron Affinity — no data 0.277 no data
Oxidation States — no data +3 no data
Melting Point — no data 2348 K (2074.85 °C) no data
Boiling Point — no data 4273 K (3999.85 °C) no data
Density — no data 2.37 no data
Electron Configuration [Rn]5f14 6d10 7s2 7p1 (predicted) different [He]2s2 2p1 different
Year Discovered 2004 different 1808 different

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